Given below are certain reactions. Identify the reaction for which K P K C .

1. A. N2(g) + O2(g) <=> 2NO(g)
2. B. H2O(g) + CO(g) <=> H2(g) + CO2(g)
3. C. N2(g) + 3H2(g) <=> 2NH3(g)
4. D. H2(g) + I2(g) <=> 2HI(g)

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